1. Specialist Registrar (ST3) in Gastroenterology in the Department of Gastroenterology, Royal Free London NHS Trust, London NW3 2QG
2. Research Fellow in Ophthalmology, Moorfields Eye Hospital, University College London
3. Specialist Registrar (ST6) in Endocrinology in the Department of Endocrinology, Homerton University Hospital, London
4. Professor of Gastroenterology in the Centre for Gastroenterology, Royal Free London NHS Trust, London